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-rw-r--r--src/devices/bus/intv/slot.h185
1 files changed, 185 insertions, 0 deletions
diff --git a/src/devices/bus/intv/slot.h b/src/devices/bus/intv/slot.h
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+++ b/src/devices/bus/intv/slot.h
@@ -0,0 +1,185 @@
+// license:BSD-3-Clause
+// copyright-holders:Fabio Priuli
+#ifndef __INTV_SLOT_H
+#define __INTV_SLOT_H
+
+/***************************************************************************
+ TYPE DEFINITIONS
+ ***************************************************************************/
+
+
+/* PCB */
+enum
+{
+ INTV_STD = 0,
+ INTV_RAM,
+ INTV_GFACT, // has RAM too but at diff offset
+ INTV_WSMLB,
+ INTV_VOICE,
+ INTV_ECS,
+ INTV_KEYCOMP
+};
+
+
+#define INTV_ROM16_READ(addr) \
+ (UINT16) (m_rom[(addr) << 1] | (m_rom[((addr) << 1) + 1] << 8))
+
+
+// ======================> device_intv_cart_interface
+
+class device_intv_cart_interface : public device_slot_card_interface
+{
+public:
+ // construction/destruction
+ device_intv_cart_interface(const machine_config &mconfig, device_t &device);
+ virtual ~device_intv_cart_interface();
+
+ // reading and writing
+ virtual DECLARE_READ16_MEMBER(read_rom04) { return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rom20) { return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rom40) { return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rom48) { return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rom50) { return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rom60) { return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rom70) { return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rom80) { return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rom90) { return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_roma0) { return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_romb0) { return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_romc0) { return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_romd0) { return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rome0) { return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_romf0) { return 0xffff; }
+
+ virtual DECLARE_READ16_MEMBER(read_ram) { return 0xffff; }
+ virtual DECLARE_WRITE16_MEMBER(write_ram) {}
+
+ // Used by IntelliVoice & ECS
+ virtual DECLARE_READ16_MEMBER(read_ay) { return 0xffff; }
+ virtual DECLARE_WRITE16_MEMBER(write_ay) {}
+ virtual DECLARE_READ16_MEMBER(read_speech) { return 0xffff; }
+ virtual DECLARE_WRITE16_MEMBER(write_speech) {}
+ virtual DECLARE_WRITE16_MEMBER(write_d0) {}
+ virtual DECLARE_WRITE16_MEMBER(write_88) {}
+ virtual DECLARE_WRITE16_MEMBER(write_rom20) {}
+ virtual DECLARE_WRITE16_MEMBER(write_rom70) {}
+ virtual DECLARE_WRITE16_MEMBER(write_rome0) {}
+ virtual DECLARE_WRITE16_MEMBER(write_romf0) {}
+
+ void rom_alloc(UINT32 size, const char *tag);
+ void ram_alloc(UINT32 size);
+ UINT8* get_rom_base() { return m_rom; }
+ UINT8* get_ram_base() { return &m_ram[0]; }
+ UINT32 get_rom_size() { return m_rom_size; }
+ UINT32 get_ram_size() { return m_ram.size(); }
+
+ void save_ram() { device().save_item(NAME(m_ram)); }
+ virtual void late_subslot_setup() {}
+
+protected:
+ // internal state
+ UINT8 *m_rom;
+ UINT32 m_rom_size;
+ dynamic_buffer m_ram;
+};
+
+
+// ======================> intv_cart_slot_device
+
+class intv_cart_slot_device : public device_t,
+ public device_image_interface,
+ public device_slot_interface
+{
+public:
+ // construction/destruction
+ intv_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ virtual ~intv_cart_slot_device();
+
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_config_complete();
+
+ // image-level overrides
+ virtual bool call_load();
+ virtual void call_unload() {}
+ virtual bool call_softlist_load(software_list_device &swlist, const char *swname, const rom_entry *start_entry);
+
+ int get_type() { return m_type; }
+ int load_fullpath();
+
+ void save_ram() { if (m_cart && m_cart->get_ram_size()) m_cart->save_ram(); }
+
+ virtual iodevice_t image_type() const { return IO_CARTSLOT; }
+ virtual bool is_readable() const { return 1; }
+ virtual bool is_writeable() const { return 0; }
+ virtual bool is_creatable() const { return 0; }
+ virtual bool must_be_loaded() const { return 0; }
+ virtual bool is_reset_on_load() const { return 1; }
+ virtual const option_guide *create_option_guide() const { return NULL; }
+ virtual const char *image_interface() const { return "intv_cart"; }
+ virtual const char *file_extensions() const { return "bin,int,rom,itv"; }
+
+ // slot interface overrides
+ virtual void get_default_card_software(std::string &result);
+
+ // reading and writing
+ virtual DECLARE_READ16_MEMBER(read_rom04) { if (m_cart) return m_cart->read_rom04(space, offset, mem_mask); else return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rom20) { if (m_cart) return m_cart->read_rom20(space, offset, mem_mask); else return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rom40) { if (m_cart) return m_cart->read_rom40(space, offset, mem_mask); else return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rom48) { if (m_cart) return m_cart->read_rom48(space, offset, mem_mask); else return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rom50) { if (m_cart) return m_cart->read_rom50(space, offset, mem_mask); else return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rom60) { if (m_cart) return m_cart->read_rom60(space, offset, mem_mask); else return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rom70) { if (m_cart) return m_cart->read_rom70(space, offset, mem_mask); else return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rom80) { if (m_cart) return m_cart->read_rom80(space, offset, mem_mask); else return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rom90) { if (m_cart) return m_cart->read_rom90(space, offset, mem_mask); else return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_roma0) { if (m_cart) return m_cart->read_roma0(space, offset, mem_mask); else return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_romb0) { if (m_cart) return m_cart->read_romb0(space, offset, mem_mask); else return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_romc0) { if (m_cart) return m_cart->read_romc0(space, offset, mem_mask); else return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_romd0) { if (m_cart) return m_cart->read_romd0(space, offset, mem_mask); else return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_rome0) { if (m_cart) return m_cart->read_rome0(space, offset, mem_mask); else return 0xffff; }
+ virtual DECLARE_READ16_MEMBER(read_romf0) { if (m_cart) return m_cart->read_romf0(space, offset, mem_mask); else return 0xffff; }
+
+ virtual DECLARE_READ16_MEMBER(read_ay);
+ virtual DECLARE_WRITE16_MEMBER(write_ay);
+ virtual DECLARE_READ16_MEMBER(read_speech);
+ virtual DECLARE_WRITE16_MEMBER(write_speech);
+ virtual DECLARE_READ16_MEMBER(read_ram) { if (m_cart) return m_cart->read_ram(space, offset, mem_mask); else return 0xffff; }
+ virtual DECLARE_WRITE16_MEMBER(write_ram) { if (m_cart) m_cart->write_ram(space, offset, data, mem_mask); }
+
+ virtual void late_subslot_setup() { if (m_cart) return m_cart->late_subslot_setup(); }
+
+ // these RAM accessors are needed to deal with IntelliVoice and ECS mounting RAM-equipped carts
+ virtual DECLARE_WRITE16_MEMBER(write_d0) { if (m_cart) m_cart->write_d0(space, offset, data, mem_mask); }
+ virtual DECLARE_WRITE16_MEMBER(write_88) { if (m_cart) m_cart->write_88(space, offset, data, mem_mask); }
+
+ // ECS paged roms need these
+ virtual DECLARE_WRITE16_MEMBER(write_rom20) { if (m_cart) m_cart->write_rom20(space, offset, data, mem_mask); }
+ virtual DECLARE_WRITE16_MEMBER(write_rom70) { if (m_cart) m_cart->write_rom70(space, offset, data, mem_mask); }
+ virtual DECLARE_WRITE16_MEMBER(write_rome0) { if (m_cart) m_cart->write_rome0(space, offset, data, mem_mask); }
+ virtual DECLARE_WRITE16_MEMBER(write_romf0) { if (m_cart) m_cart->write_romf0(space, offset, data, mem_mask); }
+
+//protected:
+
+ int m_type;
+ device_intv_cart_interface* m_cart;
+};
+
+
+
+// device type definition
+extern const device_type INTV_CART_SLOT;
+
+
+/***************************************************************************
+ DEVICE CONFIGURATION MACROS
+ ***************************************************************************/
+
+#define INTVSLOT_ROM_REGION_TAG ":cart:rom"
+
+#define MCFG_INTV_CARTRIDGE_ADD(_tag,_slot_intf,_def_slot) \
+ MCFG_DEVICE_ADD(_tag, INTV_CART_SLOT, 0) \
+ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false)
+
+SLOT_INTERFACE_EXTERN(intv_cart);
+
+#endif